BioCoach Activity

Concept 6: Metaphase

The chromosomes become arranged on the metaphase plate and are attached to the now fully formed spindle.

To see metaphase animated, click the image.

  • The centrosomes are at opposite poles of the cell.
  • The chromosomes, now at their most highly coiled and condensed, become arranged on a plane equidistant from the two poles called the metaphase plate.
  • For each chromosome, the kinetochores of the sister chromatids face the opposite poles, and each is attached to a kinetochore microtubule coming from that pole.